CN220884695U - Noise reduction plate based on ship cabin - Google Patents
Noise reduction plate based on ship cabin Download PDFInfo
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- CN220884695U CN220884695U CN202322737406.5U CN202322737406U CN220884695U CN 220884695 U CN220884695 U CN 220884695U CN 202322737406 U CN202322737406 U CN 202322737406U CN 220884695 U CN220884695 U CN 220884695U
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 28
- 238000013016 damping Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 19
- 229920000742 Cotton Polymers 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model relates to a noise-reducing plate based on a ship cabin, which aims to solve the technical problem that the current ship cabin noise affects the ship operation, and comprises a noise-reducing assembly, wherein two sides of the noise-reducing assembly are provided with connecting assemblies, and two vibration-reducing assemblies are vertically and symmetrically arranged on the noise-reducing assembly; according to the utility model, the structure of the noise reduction plate of the existing ship cabin is improved, the honeycomb plates are arranged between the two sound insulation plates, the sound absorption cylinders are arranged on the honeycomb grooves of the honeycomb plates, one end of the sound absorption cylinder which is in a conical barrel shape and has a larger radius is close to a ship cabin noise source, and then the two sound insulation plates are filled with soundproof cotton so as to achieve the effect of reducing noise, so that the sound volume of the larger noise source is reduced through the reduced transmission of the sound absorption cylinders, the effect of reducing noise is achieved, and the influence on normal operation of a ship and the hearing of passengers is prevented.
Description
Technical Field
The utility model relates to the technical field of noise reduction of ship cabins, in particular to a noise reduction plate based on a ship cabin.
Background
Marine noise is uncomfortable sounds made by the power machinery (main machine, auxiliary machine, propeller, propulsion system, etc.) and auxiliary machinery (pump, fan, etc.) of a marine vessel when in operation. The ship noise is related to the safety of ship going, for example, the excessive noise level on a bridge can affect command, and the excessive noise in a sonar guide cover can seriously affect the normal operation of sonar equipment and interfere with the detection of underwater targets (submerged reefs, sunken ships, submarines and the like) by the sonar. Submarine noise under water can indicate detection targets to enemies. Marine noise can also affect occupant and passenger health and environmental comfort.
Most noise reduction means adopt materials such as soundproof cotton to reduce noise, and the noise is a ship noise source formed by vibration, impact, airflow disturbance and the like, and the ship noise is divided into power device noise, structural excitation noise, auxiliary mechanical noise, propeller noise, ship vibration noise and the like according to the occurrence place. The ship noise has the characteristics of multiple noise sources, high power, wide frequency spectrum, low intermediate frequency and the like. Therefore, how to design a board with good sealing performance, good sound absorbing effect and certain vibration resistance effect is important, and in view of this, we propose a noise reduction board based on a ship cabin.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a noise reduction plate based on a ship cabin so as to solve the technical problem that the current ship cabin noise influences the ship operation.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the noise reduction plate based on the ship cabin comprises noise reduction components, wherein connecting components are arranged on two sides of the noise reduction components, and two vibration damping components are vertically and symmetrically arranged on the noise reduction components; the noise reduction assembly comprises a frame, honeycomb plates, sound absorption cylinders and sound insulation plates, wherein the two sound insulation plates are symmetrically arranged between the two vibration reduction assemblies, the frame is arranged between the two sound insulation plates, the honeycomb plates are arranged on the frame, and the sound absorption cylinders are arranged on the honeycomb plates.
Preferably, the honeycomb plate is provided with a plurality of honeycomb grooves, and the sound absorbing cylinders are arranged on the honeycomb grooves.
Preferably, the sound absorbing cylinder is a conical barrel-shaped hollow structure with two ends communicated.
Preferably, the connecting assembly comprises a connector and a connecting groove, wherein a plurality of connectors are arranged at one end of the frame, and a plurality of connecting grooves are arranged at the other end of the frame.
Preferably, the connecting head is provided with a plurality of sealing blocks, and the connecting groove is provided with a plurality of sealing grooves; the seal block is sized to fit the seal groove.
Preferably, the vibration damping assembly comprises a bottom plate, a top plate, bottom columns, springs and pressing blocks, wherein the bottom plate is symmetrically arranged at two ends of the frame, the top plate is arranged on the bottom plate, a plurality of bottom columns are arranged on the bottom plate, the springs are arranged on the bottom columns, the top ends of the pressing blocks are connected to the bottom ends of the top plate, and the bottom ends of the pressing blocks are connected to the bottom columns.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the structure of the noise reduction plate of the existing ship cabin is improved, the honeycomb plates are arranged between the two sound insulation plates, the sound absorption cylinders are arranged on the honeycomb grooves of the honeycomb plates, one end of the sound absorption cylinder which is in a conical barrel shape and has a larger radius is close to a ship cabin noise source, and then the two sound insulation plates are filled with soundproof cotton so as to achieve the effect of reducing noise, so that the sound volume of the larger noise source is reduced through the reduced transmission of the sound absorption cylinders, the effect of reducing noise is achieved, and the influence on normal operation of a ship and the hearing of passengers is prevented.
2. According to the utility model, the connecting assemblies are arranged on the two sides of the noise reduction assembly, the sealing blocks of the connectors are used for being connected with the sealing grooves of the connecting grooves in a sliding manner, so that bolt fasteners are not needed when the noise reduction plates are spliced, leakage sound is prevented from occurring in holes, the tightness is enhanced, the noise reduction effect is improved, the vibration damping assemblies are respectively arranged at the top end and the bottom end of the noise reduction assembly, and the noise reduction plates are prevented from generating noise due to vibration generated by machines such as an engine by using the springs and the pressing blocks of the vibration damping assemblies.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic diagram of a split structure of a noise reduction assembly according to the present utility model;
FIG. 4 is a schematic view of a honeycomb panel structure according to the present utility model;
FIG. 5 is a schematic view of a frame and honeycomb panel structure according to the present utility model;
FIG. 6 is a schematic diagram of a split structure of a vibration damping assembly according to the present utility model;
FIG. 7 is a schematic view of the structure of the midsole column, spring and press block of the present utility model;
in the figure: 1. a noise reduction assembly; 2. a connection assembly; 3. a vibration damping component;
101. A frame; 102. a honeycomb panel; 103. a sound absorbing cylinder; 104. a sound insulation board;
201. A connector; 202. a connecting groove;
301. a bottom plate; 302. a top plate; 303. a bottom post; 304. a spring; 305. briquetting;
1021. A honeycomb groove;
2011. A sealing block; 2012. and (5) sealing the groove.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
Examples: the noise reduction plate comprises a noise reduction assembly 1, wherein connecting assemblies 2 are arranged on two sides of the noise reduction assembly 1, and two vibration damping assemblies 3 are vertically and symmetrically arranged on the noise reduction assembly 1; the noise reduction assembly 1 comprises a frame 101, a honeycomb plate 102, sound absorption cylinders 103 and sound insulation plates 104, wherein the two sound insulation plates 104 are symmetrically arranged between the two vibration reduction assemblies 3, the frame 101 is arranged between the two sound insulation plates 104, the honeycomb plate 102 is arranged on the frame 101, and a plurality of sound absorption cylinders 103 are arranged on the honeycomb plate 102. According to the utility model, the structure of the noise reduction board of the existing ship cabin is improved, the honeycomb plate 102 is arranged between the two sound insulation plates 104, the plurality of sound absorption cylinders 103 are arranged on the plurality of honeycomb grooves 1021 of the honeycomb plate 102, one end with a larger radius of the conical barrel-shaped sound absorption cylinder 103 is close to a ship cabin noise source, and then the two sound insulation plates 104 are internally filled with soundproof cotton so as to achieve the effect of reducing noise, so that the larger noise source is transmitted through the reduction of the sound absorption cylinder 103 to reduce the volume, the effect of reducing noise is achieved, and the normal running of the ship and the hearing of passengers are prevented from being influenced.
Specifically, as shown in fig. 3 to 5, the honeycomb board 102 is provided with a plurality of honeycomb slots 1021, and a plurality of sound absorbing cylinders 103 are provided on the honeycomb slots 1021. In the utility model, the honeycomb plate 102 is formed by a plurality of regular hexagonal honeycomb grooves 1021, and the regular hexagonal honeycomb grooves 1021 have the advantages of strong compression resistance, good sealing performance and the like, and the regular hexagonal honeycomb grooves 1021 also cannot generate gaps in structure, so that the noise reduction effect is further improved.
Further, referring to fig. 3 and 5, the sound absorbing cylinder 103 has a tapered barrel-like hollow structure with both ends communicating. According to the utility model, one end of the conical barrel-shaped sound absorption barrel 103 with a larger radius is close to a noise source of a ship engine room, and then the inside of the two sound insulation plates 104 is filled with sound insulation cotton to achieve the effect of reducing noise, so that the larger noise source is transmitted through the reduction of the sound absorption barrel 103 to reduce the volume, and the effect of reducing noise is achieved.
Still further, as shown in fig. 1 and 2, the connection assembly 2 includes connectors 201 and connection grooves 202, wherein a plurality of connectors 201 are disposed at one end of the frame 101, and a plurality of connection grooves 202 are disposed at the other end of the frame 101. In the utility model, when the noise reduction plates are installed, the connecting head 201 of one noise reduction plate is connected with the connecting groove 202 of the other noise reduction plate in a sliding manner, so that rapid assembly can be performed according to the actual required size.
It should be noted that, as shown in fig. 1 and fig. 2, a plurality of sealing blocks 2011 are provided on the connector 201, and a plurality of sealing grooves 2012 are provided on the connecting groove 202; seal block 2011 is sized to fit within seal groove 2012. According to the utility model, the shape of the sealing blocks 2011 arranged on the connector 201 is matched with the shape of the sealing groove 2012 arranged on the connecting groove 202, and the plurality of sealing blocks 2011 and the sealing groove 2012 form a multiple sealing structure, so that bolt fasteners are not needed when the noise reduction plates are spliced, leakage sound of holes is prevented, the sealing performance is enhanced, and the noise reduction effect is improved.
It should be noted that, referring to fig. 6 and 7, the vibration damping assembly 3 includes a bottom plate 301, a top plate 302, bottom columns 303, springs 304 and pressing blocks 305, the bottom plate 301 is symmetrically disposed at two ends of the frame 101, the top plate 302 is disposed on the bottom plate 301, the bottom columns 303 are disposed on the bottom plate 301, the springs 304 are disposed on the bottom columns 303, the top ends of the pressing blocks 305 are connected to the bottom ends of the top plate 302, and the bottom ends of the pressing blocks 305 are connected to the bottom columns 303. In the utility model, the top end and the bottom end of the frame 101 are respectively provided with the vibration damping assemblies 3, and the bottom column 303 and the pressing block 305 are connected by the springs 304 so as to prevent noise generated by the noise reduction plate due to vibration generated by machines such as an engine.
Working principle: when the noise reduction device is used, firstly, the honeycomb plates 102 are arranged between the two sound insulation plates 104, the plurality of sound absorption cylinders 103 are arranged on the plurality of honeycomb grooves 1021 of the honeycomb plates 102, one end with a larger radius of the sound absorption cylinder 103 in a conical barrel shape is close to a ship cabin noise source, then, the interior of the two sound insulation plates 104 is filled with soundproof cotton so as to achieve the effect of reducing noise, the larger noise source reduces the sound volume through the reduced propagation of the sound absorption cylinder 103, so as to achieve the effect of reducing noise, the honeycomb plates 102 are composed of the plurality of regular hexagonal honeycomb grooves 1021, the regular hexagonal honeycomb grooves 1021 have the advantages of strong compression resistance, good sealing performance and the like, gaps are not generated in the structure of the regular hexagonal honeycomb grooves 1021, the noise reduction effect is further improved, when the noise reduction plates are installed, the connecting heads 201 of one noise reduction plate are connected with the connecting grooves 202 of the other noise reduction plate in a sliding mode, the noise reduction plates can be assembled quickly according to the size of actual requirements, the sealing blocks 2011 and the sealing grooves 2012 formed on the connecting grooves 202 are matched, the plurality of sealing blocks 2011 and 2012 form a multiple sealing structures, the noise reduction effect is formed, the noise reduction effect is improved, and the noise reduction effect is prevented from generating by using the sealing blocks 2012 of the sealing blocks, and the noise reduction device is not required to be provided with the sealing blocks, and the noise reduction device is provided with the noise reduction device 101, and noise reduction device is provided with the noise reduction device has noise reduction blocks 101.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.
Claims (6)
1. The noise reduction plate based on the ship cabin is characterized by comprising a noise reduction assembly (1), wherein connecting assemblies (2) are arranged on two sides of the noise reduction assembly (1), and two vibration damping assemblies (3) are vertically and symmetrically arranged on the noise reduction assembly (1);
The noise reduction assembly (1) comprises a frame (101), a honeycomb plate (102), a sound absorption cylinder (103) and sound insulation plates (104), wherein the two sound insulation plates (104) are symmetrically arranged between the two vibration reduction assemblies (3), the frame (101) is arranged between the two sound insulation plates (104), the honeycomb plate (102) is arranged on the frame (101), and the sound absorption cylinders (103) are arranged on the honeycomb plate (102).
2. The noise reduction board based on the ship cabin according to claim 1, wherein a plurality of honeycomb grooves (1021) are formed in the honeycomb board (102), and a plurality of sound absorption cylinders (103) are arranged on the honeycomb grooves (1021).
3. The noise reduction panel based on a marine engine room according to claim 2, wherein the sound absorbing cylinder (103) has a tapered barrel-shaped hollow structure with two communicating ends.
4. A noise reduction board based on a marine engine room as claimed in claim 3, wherein the connecting assembly (2) comprises connectors (201) and connecting grooves (202), a plurality of the connectors (201) are arranged at one end of the frame (101), and a plurality of the connecting grooves (202) are arranged at the other end of the frame (101).
5. The noise reduction plate based on the ship cabin according to claim 4, wherein a plurality of sealing blocks (2011) are arranged on the connector (201), and a plurality of sealing grooves (2012) are arranged on the connecting groove (202);
The sealing block (2011) is adapted to the sealing groove (2012) in size.
6. The noise reduction plate based on the ship cabin according to claim 5, wherein the vibration damping component (3) comprises a bottom plate (301), a top plate (302), bottom posts (303), springs (304) and pressing blocks (305), the bottom plate (301) is symmetrically arranged at two ends of the frame (101), the top plate (302) is arranged on the bottom plate (301), a plurality of the bottom posts (303) are arranged on the bottom plate (301), the springs (304) are arranged on the bottom posts (303), the top ends of the pressing blocks (305) are connected to the bottom ends of the top plate (302), and the bottom ends of the pressing blocks (305) are connected to the bottom posts (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737406.5U CN220884695U (en) | 2023-10-12 | 2023-10-12 | Noise reduction plate based on ship cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737406.5U CN220884695U (en) | 2023-10-12 | 2023-10-12 | Noise reduction plate based on ship cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220884695U true CN220884695U (en) | 2024-05-03 |
Family
ID=90837807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322737406.5U Active CN220884695U (en) | 2023-10-12 | 2023-10-12 | Noise reduction plate based on ship cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220884695U (en) |
-
2023
- 2023-10-12 CN CN202322737406.5U patent/CN220884695U/en active Active
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